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<h2><a href="local_closure_goog_events_eventwrapper.js.html">eventwrapper.js</a></h2>

<pre class="prettyprint lang-js">
<a name="line1"></a>// Copyright 2009 The Closure Library Authors. All Rights Reserved.
<a name="line2"></a>//
<a name="line3"></a>// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
<a name="line4"></a>// you may not use this file except in compliance with the License.
<a name="line5"></a>// You may obtain a copy of the License at
<a name="line6"></a>//
<a name="line7"></a>//      http://www.apache.org/licenses/LICENSE-2.0
<a name="line8"></a>//
<a name="line9"></a>// Unless required by applicable law or agreed to in writing, software
<a name="line10"></a>// distributed under the License is distributed on an &quot;AS-IS&quot; BASIS,
<a name="line11"></a>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<a name="line12"></a>// See the License for the specific language governing permissions and
<a name="line13"></a>// limitations under the License.
<a name="line14"></a>
<a name="line15"></a>/**
<a name="line16"></a> * @fileoverview Definition of the goog.events.EventWrapper interface.
<a name="line17"></a> *
<a name="line18"></a> * @author eae@google.com (Emil A Eklund)
<a name="line19"></a> */
<a name="line20"></a>
<a name="line21"></a>goog.provide(&#39;goog.events.EventWrapper&#39;);
<a name="line22"></a>
<a name="line23"></a>
<a name="line24"></a>
<a name="line25"></a>/**
<a name="line26"></a> * Interface for event wrappers.
<a name="line27"></a> * @interface
<a name="line28"></a> */
<a name="line29"></a>goog.events.EventWrapper = function() {
<a name="line30"></a>};
<a name="line31"></a>
<a name="line32"></a>
<a name="line33"></a>/**
<a name="line34"></a> * Adds an event listener using the wrapper on a DOM Node or an object that has
<a name="line35"></a> * implemented {@link goog.events.EventTarget}. A listener can only be added
<a name="line36"></a> * once to an object.
<a name="line37"></a> *
<a name="line38"></a> * @param {goog.events.ListenableType} src The node to listen to events on.
<a name="line39"></a> * @param {function(?):?|{handleEvent:function(?):?}|null} listener Callback
<a name="line40"></a> *     method, or an object with a handleEvent function.
<a name="line41"></a> * @param {boolean=} opt_capt Whether to fire in capture phase (defaults to
<a name="line42"></a> *     false).
<a name="line43"></a> * @param {Object=} opt_scope Element in whose scope to call the listener.
<a name="line44"></a> * @param {goog.events.EventHandler=} opt_eventHandler Event handler to add
<a name="line45"></a> *     listener to.
<a name="line46"></a> */
<a name="line47"></a>goog.events.EventWrapper.prototype.listen = function(src, listener, opt_capt,
<a name="line48"></a>    opt_scope, opt_eventHandler) {
<a name="line49"></a>};
<a name="line50"></a>
<a name="line51"></a>
<a name="line52"></a>/**
<a name="line53"></a> * Removes an event listener added using goog.events.EventWrapper.listen.
<a name="line54"></a> *
<a name="line55"></a> * @param {goog.events.ListenableType} src The node to remove listener from.
<a name="line56"></a> * @param {function(?):?|{handleEvent:function(?):?}|null} listener Callback
<a name="line57"></a> *     method, or an object with a handleEvent function.
<a name="line58"></a> * @param {boolean=} opt_capt Whether to fire in capture phase (defaults to
<a name="line59"></a> *     false).
<a name="line60"></a> * @param {Object=} opt_scope Element in whose scope to call the listener.
<a name="line61"></a> * @param {goog.events.EventHandler=} opt_eventHandler Event handler to remove
<a name="line62"></a> *     listener from.
<a name="line63"></a> */
<a name="line64"></a>goog.events.EventWrapper.prototype.unlisten = function(src, listener, opt_capt,
<a name="line65"></a>    opt_scope, opt_eventHandler) {
<a name="line66"></a>};
</pre>


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